Disney have today announced the sequel is titled Maleficent: Mistress Of Evil and will be released on October 18th 2019 which is around Halloween time this year.
They have also released the first teaser poster for the film which you can see below in the tweet.
The film has a strong female cast including Angelina Jolie, Ella Elle Fanning and Michelle Pfeiffer, it is directed by Joachim Ronning.
Angelina Jolie returns in Maleficent: Mistress of Evil. Coming to theatres October 18, 2019. pic.twitter.com/KikT5htvJl
— Walt Disney Studios (@DisneyStudios) March 6, 2019